MARCO STEEL AND ALUMINUM, INC.

CARBON

1018 Cold FinishedRounds 3/16" thru 4 3/4"
1018 Cold Finished Bar 1/4" thru 1 7/8"
1018 Cold Finished Flat Bar Up to 3" X 6"
1018 Cold Finished Square 1" thru 4"
1018 Hot RolledRounds 3" thru 12 1/2"
1045 Hot Rolled Rounds 3" thru 30"
1144 Cold Finished Stressproof®Rounds 2 5/8" thru 5"
1144 Per ASTM A 311 Class BRounds 1/4" thru 2 1/2"
1144 Per ASTM A 311 Class B Turned Ground & Polished Rounds 1 7⁄16" thru 2 1/2"
8620 Cold FinishedRounds 11/16" thru 2 5/8"
8620 Hot RolledRounds 3" thru 14"